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Algorithms as mechanisms: the price of anarchy of relax-and-round

Published:16 March 2016Publication History
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Abstract

We show that algorithms that follow the relax-and-round paradigm translate approximation guarantees into Price of Anarchy guarantees, provided that the rounding is oblivious and the relaxation is smooth. We use this meta result to obtain simple, near-optimal mechanisms for a broad range of optimization problems such as combinatorial auctions, the maximum traveling salesman problem, and packing integer programs. In each case the resulting mechanism matches or beats the performance guarantees of known mechanisms.

References

  1. Bansal, N., Korula, N., Nagarajan, V., and Srinivasan, A. 2010. On k-column sparse packing programs. In Proc. of the 14th Conference on Integer Programming and Combinatorial Optimization. 369--382. Google ScholarGoogle ScholarDigital LibraryDigital Library
  2. Dughmi, S. and Roughgarden, T. 2014. Black-box randomized reductions in algorithmic mechanism design. SIAM Journal on Computing 43, 1, 312--336.Google ScholarGoogle ScholarDigital LibraryDigital Library
  3. Dütting, P. and Kesselheim, T. 2015. Algorithms against anarchy: Understanding non-truthful mechanisms. In Proc. of the 16th Conference on Economics and Computation. 239--255. Google ScholarGoogle ScholarDigital LibraryDigital Library
  4. Feige, U. 2009. On maximizing welfare when utility functions are subadditive. SIAM Jornal on Computing 39, 1, 122--142. Google ScholarGoogle ScholarDigital LibraryDigital Library
  5. Feige, U., Feldman, M., Immorlica, N., Izsak, R., Lucier, B., and Syrgkanis, V. 2014. A unifying hierarchy of valuations with complements and substitutes. Electronic Colloquium on Computational Complexity 21, 103.Google ScholarGoogle Scholar
  6. Fisher, M. L., Nemhauser, G. L., and Wolsey, L. A. 1979. An analysis of approximations for finding a maximum weight hamiltonian circuit. Operations Research 27, 4, 799--809. Google ScholarGoogle ScholarDigital LibraryDigital Library
  7. Lavi, R. and Swamy, C. 2005. Truthful and near-optimal mechanism design via linear programming. In Proc. of the 46th Symposium on Foundations of Computer Science. 595--604. Google ScholarGoogle ScholarDigital LibraryDigital Library
  8. Lucier, B. and Borodin, A. 2010. Price of anarchy for greedy auctions. In Proc. of the 21st Symposium on Discrete Algorithms. 537--553. Google ScholarGoogle ScholarDigital LibraryDigital Library
  9. Paluch, K. E., Elbassioni, K. M., and van Zuylen, A. 2012. Simpler approximation of the maximum asymmetric traveling salesman problem. In Proc. of the 29th International Symposium on Theoretical Aspects of Computer Science. 501--506.Google ScholarGoogle Scholar
  10. Raghavan, P. 1988. Probabilistic construction of deterministic algorithms: Approximating packing integer programs. Journal on Computer Systems Sciences 37, 2, 130--143. Google ScholarGoogle ScholarDigital LibraryDigital Library
  11. Raghavan, P. and Thompson, C. 1987. Randomized rounding: a technique for provably good algorithms and algorithmic proofs. Combinatorica 7, 365--374. Google ScholarGoogle ScholarDigital LibraryDigital Library
  12. Roughgarden, T. 2009. Intrinsic robustness of the price of anarchy. In Proc. of the 41st Symposium on Theory of Computing. 513--522. Google ScholarGoogle ScholarDigital LibraryDigital Library
  13. Roughgarden, T. 2012. The price of anarchy in games of incomplete information. In Proc. of the 13th Conference on Electronic Commerce. 862--879. Google ScholarGoogle ScholarDigital LibraryDigital Library
  14. Syrgkanis, V. and Tardos, É. 2013. Composable and efficient mechanisms. In Proc. of the 45th Symposium on Theory of Computing. 211--220. Google ScholarGoogle ScholarDigital LibraryDigital Library
  15. Vazirani, V. V. 2001. Approximation Algorithms. Springer-Verlag New York, Inc., New York, NY, USA. Google ScholarGoogle ScholarDigital LibraryDigital Library

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